Here's another thing you can do in the dodge & burn department within the digital realm.
In the forest photo above, there were a few yellow devils club leaves in the bottom left corner which distracted from the wedge shape created by the rest of the devils club leaves.
To bring down their tonality I created another layer, masked just those leaves, went to the colour editor, then darkened just that colour. Click, click, click, slide, done. Much faster than pin registered masking!
Being able to adjust the tonality of any colour in a scene while making B&W images is a huge advantage...you can darken blue skies, then brighten yellow flowers, then lighten green foliage, then open up shadows by masking them and using a blue slider to lift all the tones, etc...